Thread (4 messages) 4 messages, 3 authors, 2025-03-14

[PATCH] x86/Hyperv: Fix check of return value from snp_set_vmsa()

From: Tianyu Lan <hidden>
Date: 2025-03-13 08:52:28
Also in: lkml, stable
Subsystem: the rest, x86 architecture (32-bit and 64-bit) · Maintainers: Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen

From: Tianyu Lan <redacted>

snp_set_vmsa() returns 0 as success result and so fix it.

Cc: stable@vger.kernel.org
Fixes: 44676bb9d566 ("x86/hyperv: Add smp support for SEV-SNP guest")
Signed-off-by: Tianyu Lan <redacted>
---
 arch/x86/hyperv/ivm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/hyperv/ivm.c b/arch/x86/hyperv/ivm.c
index ec7880271cf9..77bf05f06b9e 100644
--- a/arch/x86/hyperv/ivm.c
+++ b/arch/x86/hyperv/ivm.c
@@ -338,7 +338,7 @@ int hv_snp_boot_ap(u32 cpu, unsigned long start_ip)
 	vmsa->sev_features = sev_status >> 2;
 
 	ret = snp_set_vmsa(vmsa, true);
-	if (!ret) {
+	if (ret) {
 		pr_err("RMPADJUST(%llx) failed: %llx\n", (u64)vmsa, ret);
 		free_page((u64)vmsa);
 		return ret;
-- 
2.25.1
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